Home / 20,285,910,121.62-30,430,950,227.23-7,021,146,747.43

Finding the Fourth Proportional to 20,285,910,121.62, 30,430,950,227.23 and 7,021,146,747.43

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Solution

The fourth proportional to 20,285,910,121.62, 30,430,950,227.23 and 7,021,146,747.43 is: 10,532,441,775.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,285,910,121.62 : 30,430,950,227.23 = 7,021,146,747.43 : x
  2. Step 2: Convert to fraction form
    20,285,910,121.62/30,430,950,227.23 = 7,021,146,747.43/x
  3. Step 3: Cross multiply
    20,285,910,121.62x = 30,430,950,227.23 × 7,021,146,747.43
  4. Step 4: Simplify right side
    20,285,910,121.62x = 213,660,167,209,120,137,216
  5. Step 5: Solve for x
    x = 213,660,167,209,120,137,216/20,285,910,121.62
  6. Step 6: Final answer
    x = 10,532,441,775.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.